It was just before midnight when Gary Keimig woke up nauseous and soaking in sweat. A week earlier, he brushed off pain in his lower chest, but now he knew something was definitely wrong. The 66-year-old artist was having a heart attack.

More than 30 million American children eat school lunches each day-a fact parents can feel good about. These tasty meals are healthier than ever before and help kids develop sound nutrition and eating habits. See what's changed in this video.